“The Viability of the Stallion Spermatozoa after Centrifugation with Different Level of Seminal Plasma in Skim Milk Extender” (2011) Animal Production: Indonesian Journal of Animal Production, 8(3). Available at: https://jap.fapet.unsoed.ac.id/index.php/JAP/article/view/1134 (Accessed: 30 October 2026).